Sanctuaries of Silence - https://www.youtube.com/watch?v=69sr8wr7ZPY 

Silence just might be on the verge of extinction and acoustic ecologist Gordon Hempton believes that even the most remote corners of the globe are impacted by noise pollution. In “Sanctuaries of Silence,” join Hempton on an immersive listening journey into Olympic National Park, one of the quietest places in North America. Directed by: Emmanuel Vaughan-Lee and Adam Loften